Base | Representation |
---|---|
bin | 1011111001100… |
… | …0010100000000 |
3 | 10110220112110100 |
4 | 2332120110000 |
5 | 100234010234 |
6 | 4541402400 |
7 | 1144126203 |
oct | 276302400 |
9 | 113815410 |
10 | 49906944 |
11 | 2619790a |
12 | 14869400 |
13 | a454c49 |
14 | 68b193a |
15 | 45ac399 |
hex | 2f98500 |
49906944 has 54 divisors (see below), whose sum is σ = 143900666. Its totient is φ = 16634880.
The previous prime is 49906943. The next prime is 49906957. The reversal of 49906944 is 44960994.
It can be written as a sum of positive squares in only one way, i.e., 38937600 + 10969344 = 6240^2 + 3312^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 49906944.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49906943) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8527 + ... + 13134.
Almost surely, 249906944 is an apocalyptic number.
It is an amenable number.
49906944 is an abundant number, since it is smaller than the sum of its proper divisors (93993722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49906944 is a wasteful number, since it uses less digits than its factorization.
49906944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21683 (or 21666 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 45.
The square root of 49906944 is about 7064.4846945832. The cubic root of 49906944 is about 368.1744604424.
The spelling of 49906944 in words is "forty-nine million, nine hundred six thousand, nine hundred forty-four".
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